已对佛坪自然保护区的大熊猫采用系统采样的方法。
A method of systematic sampling has been adopted for Ailuropoda melanoleuca in Foping Nature Reserve.
已对佛坪自然保护区的大熊猫采用系统采样的方法。
A method of systematic sampling has been adopted for Giant panda (Ailuropoda melanoleuca) in Foping Nature Reserve.
关键是要采用系统思考的角度。
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